/*
 * Copyright 2012-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.assertj.tests.core.api.future;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.BDDAssertions.then;
import static org.assertj.core.error.future.ShouldNotBeDone.shouldNotBeDone;
import static org.assertj.core.util.FailureMessages.actualIsNull;
import static org.assertj.tests.core.util.AssertionsUtil.expectAssertionError;

import java.util.concurrent.CompletableFuture;

import org.junit.jupiter.api.Test;

class CompletableFutureAssert_isNotDone_Test {

  @Test
  void should_pass_if_completable_future_is_not_done() {
    // GIVEN
    CompletableFuture<Object> future = new CompletableFuture<>();
    // THEN
    then(future).isNotDone();
  }

  @Test
  void should_fail_when_completable_future_is_null() {
    // GIVEN
    CompletableFuture<String> future = null;
    // WHEN
    var assertionError = expectAssertionError(() -> assertThat(future).isNotDone());
    // THEN
    then(assertionError).hasMessage(actualIsNull());
  }

  @Test
  void should_fail_if_completable_future_is_done() {
    // GIVEN
    CompletableFuture<String> future = CompletableFuture.completedFuture("done");
    // WHEN
    var assertionError = expectAssertionError(() -> assertThat(future).isNotDone());
    // THEN
    then(assertionError).hasMessage(shouldNotBeDone(future).create());
  }
}
